Swimming fin



FIG. 1 is an overhead plan view of my new design of a swimming fin;

FIG. 2 is a right side elevational view of the swimming fin depicted in FIG. 1, the left side being a duplicate thereof;

FIG. 3 is a bottom elevational of the swimming fin of my invention;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a swimming fin, as shown and described. 